fdo#60491: embeddedobj: catch exception in fallback path
fdo#60491: embeddedobj: catch exception in fallback path

This allows the OLE object to at least be passed to the OS for
opening...

Change-Id: I97f93eb3a015d7771f3fc909517ffb96d61fde52

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core